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Macroinvertebrate nutrient excretion incubation
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Description
Organisms are incubated in filtered pond water for one hour to measure nitrogen and phosphorus excretion rates through water chemistry analysis before and after incubation.
Typical Equipment
- bags
- water filters
- filtered syringe
- glass tubes
- amber Nalgene bottles
- ice
- Thermo Scientific GENESYS 10S UV-VIS Spectrophotometer
- Turner Designs Trilogy Fluorometer
Output Measurements
- mass-specific nitrogen excretion rate
- mass-specific phosphorus excretion rate
- N:P excretion ratio
Papers Using This Protocol (5)
article
Animal-Driven Nutrient Supply Declines Relative to Ecosystem Nutrient Demand Along a Pond Hydroperiod Gradient
student_paper
Nutrient excretion rates of common aquatic taxa in high elevation ponds at the Mexican Cut
student_paper
Influence of Parasitism on Consumer Driven Nutrient Recycling by Aquatic Insects
article
Influence of handling stress and fasting on estimates of ammonium excretion by tadpoles and fish: recommendations for designing excretion experiments
student_paper